Home / 97,213.32-145,608.54-47,188.08

Finding the Fourth Proportional to 97,213.32, 145,608.54 and 47,188.08

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Solution

The fourth proportional to 97,213.32, 145,608.54 and 47,188.08 is: 70,679.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,213.32 : 145,608.54 = 47,188.08 : x
  2. Step 2: Convert to fraction form
    97,213.32/145,608.54 = 47,188.08/x
  3. Step 3: Cross multiply
    97,213.32x = 145,608.54 × 47,188.08
  4. Step 4: Simplify right side
    97,213.32x = 6,870,987,434.20
  5. Step 5: Solve for x
    x = 6,870,987,434.20/97,213.32
  6. Step 6: Final answer
    x = 70,679.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.